/**
 * Copyright 2008 Matthew Purland (m.purland@gmail.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.variance;


/**
 * Default implementation for <code>SessionFactory</code>.
 *
 * @author Matthew Purland
 */
public class DefaultSessionFactory implements SessionFactory {

    // The current session for the session factory
    protected VarianceSession currentSession;
    // Was the SessionFactory already closed?
    protected boolean isClosed = false;

    /**
     * {@inheritDoc}
     */
    public void close() {
        isClosed = true;
    }

    /**
     * {@inheritDoc}
     */
    public VarianceSession getCurrentSession() {
        return currentSession;
    }

    /**
     * {@inheritDoc}
     */
    public boolean isClosed() {
        return isClosed;
    }

    /**
     * {@inheritDoc}
     */
    public VarianceSession openSession() {
        VarianceSession varianceSession = new DefaultVarianceSession();

        currentSession = varianceSession;

        return currentSession;
    }

}
